What is a proton?
- the positively charged particle found in atomic nuclel
- uncharged...
Chemistry, 30.10.2019 03:31 christophers349
What is a proton?
- the positively charged particle found in atomic nuclel
- uncharged particle found in atomic nuclei
- negatively charged particle found in atomic nuclei
- none of the above
Answers: 2
Chemistry, 22.06.2019 09:00
Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.
Answers: 2
Chemistry, 22.06.2019 14:00
Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?
Answers: 2
Chemistry, 23.06.2019 04:20
The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.
Answers: 1
History, 13.04.2020 14:52
Mathematics, 13.04.2020 14:52
Mathematics, 13.04.2020 14:54
Mathematics, 13.04.2020 14:54
Health, 13.04.2020 15:13
Mathematics, 13.04.2020 15:14
English, 13.04.2020 15:14
Social Studies, 13.04.2020 15:15
Health, 13.04.2020 15:15
Social Studies, 13.04.2020 15:16